18189645936

Names of 18189645936

• Cardinal: 18189645936 can be written as Eighteen billion, one hundred eighty-nine million, six hundred forty-five thousand, nine hundred thirty-six.

Scientific notation

• Scientific notation: 1.8189645936 × 10¹⁰

Factors of 18189645936

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 9727

Divisors of 18189645936

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 4 6 7 8 11 12 14 16 21 22 24 28 33 42 44 48 49 56 66 73 77 84 88 98 112 132 146 147 154 168 176 196 219 231 264 292 294 308 336 392 438 462 511 528 539 584 588 616 784 803 876 924 1022 1078 1168 1176 1232 1533 1606 1617 1752 1848 2044 2156 2352 2409 3066 3212 3234 3504 3577 3696 4088 4312 4818 5621 6132 6424 6468 7154 8176 8624 9631 9636 10731 11242 12264 12848 12936 14308 16863 19262 19272 21462 22484 24528 25872 28616 28893 33726 38524 38544 39347 42924 44968 57232 57786 67417 67452 77048 78694 85848 89936 105941 115572 118041 134834 134904 154096 157388 171696 202251 211882 231144 236082 269668 269808 314776 317823 404502 423764 462288 471919 472164 539336 629552 635646 703063 741587 809004 847528 943838 944328 1078672 1271292 1406126 1415757 1483174 1618008 1695056 1887676 1888656 2109189 2224761 2542584 2812252 2831514 2966348 3236016 3775352 4218378 4449522 4921441 5085168 5191109 5624504 5663028 5932696 7550704 7733693 8436756 8899044 9842882 10382218 11249008 11326056 11865392 14764323 15467386 15573327 16873512 17798088 19685764 20764436 22652112 23201079 29528646 30934772 31146654 33747024 34450087 35596176 39371528 41528872 46402158 54135851 59057292 61869544 62293308 68900174 78743056 83057744 92804316 103350261 108271702 118114584 123739088 124586616 137800348 162407553 185608632 206700522 216543404 236229168 249173232 275600696 324815106 371217264 378950957 413401044 433086808 551201392 649630212 757901914 826802088 866173616 1136852871 1299260424 1515803828 1653604176 2273705742 2598520848 3031607656 4547411484 6063215312 9094822968 18189645936
• Sum of all divisors σ(n): 60454130688
• Sum of proper divisors (its aliquot sum) s(n): 42264484752
• 18189645936 is an abundant number, because the sum of its proper divisors (42264484752) is greater than itself. Its abundance is 24074838816

Bases of 18189645936

• Binary: 10000111100001011111111100001110000₂
• Hexadecimal: 0x43C2FF870
• Base-36: 8CTN8MO

Squares and roots of 18189645936

• 18189645936 squared (18189645936²) is 330863219277041316096
• 18189645936 cubed (18189645936³) is 6018284811894511433429697785856
• The square root of 18189645936 is 134868.9954585561
• The cube root of 18189645936 is 2629.9132017983

Scales and comparisons

• 18,189,645,936 seconds is equal to 578 years, 19 weeks, 3 days, 7 hours, 25 minutes, 36 seconds.
• To count from 1 to 18,189,645,936 would take you about one thousand, one hundred fifty-six years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 18189645936 cubic inches would be around 219.2 feet tall.

Recreational maths with 18189645936

• 18189645936 backwards is 63954698181
• The number of decimal digits it has is: 11
• The sum of 18189645936's digits is 60
• More coming soon!